Button Globe

You see snow globes many time , but you don't see a button globe yet !
Also it have a air pomp that make bubbles , it's beautiful !
In below you can see a gif movie about my globe .

Teacher Notes

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Step 1: What You Will Need

A glass can

A small Air pomp

Buttons in many colors

A few play-dough

A small box

A few corona

Nail & hammer

Step 2: Regulate the Pomp

With nail & hammer make a small hole on the door of the can and the box . (In middle)
Then allow the pomp's tube to pass from the holes , 1- from the box 2- the door of the can . Then firm it with a few play-dough .

Step 3: Regulate the Can

Place the buttons in the can and add your coronas .
Now fill the can from the water .

Step 4: Confirm

Put the door of the can and rotate them .
Connect the air pump to the power and enjoy !

I don't see any problem yet , but if you want , you can turn-off the pump when you don't need it (e.g. nights) , then the air will exit from the can , the play-dough have many small holes that they can exit the air . Also it's a better suggestion : You can make a hole on top of the can (With machine , not hammer !)

If you make it total waterproof , you don't need to add water occasionally , In first time my can lose a few water , then I understand I should make it more waterproof . Also after a long time the water will evaporate , then you should add a few water .